Alert archive / Mississippi / Tornado Warnings in 1998
Tornado Warning 27, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Sep 20, 1998, 11:46 AM CDT for Pearl River County, Mississippi. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 20, 1998, 11:46 AM CDT (16:46 UTC)
- Expired
- Sep 20, 1998, 12:35 PM CDT
- In force
- 49 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Pearl River County, MS
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 4.8 hours before the alert went out and 59 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 92 J/kg
- Mixed-layer CIN
- -123 J/kg
- Mixed-layer LCL
- 782 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KNEW 201645 RRA TORNEW MSC109-201735- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 1146 AM CDT SUN SEP 20 1998 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS LA HAS ISSUED A... * TORNADO WARNING FOR - PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI * UNTIL 1235 PM CDT * AT 1142 AM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM WITH A POSSIBLE TORNADO ABOUT 8 MILES WEST OF POPLARVILE. THE THUNDERSTORM AND ASSOCIATED TORNADO WAS MOVING EAST NORTHEAST AROUND 15 MPH. COMMUNITIES IN THE PATH OF THIS TORNADO INCLUDE WHITE SAND... POPLARDVILLE AND HILLSDALE. IF YOU ARE IN THESE AREAS...SEEK SHELTER IN A SMALL INTERIOR ROOM AWAY FROM WINDOWS IF YOzU ARE IN THE PATH OF A TORNADO...GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS...OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS.
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Sep 20, 10:30 AM CDT, 1 hour 16 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-211630- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1030 AM CDT SUN SEP 20 1998 TROPICAL DEPRESSION HERMINE WILL CONTINUE TO MOVE NORTHEAST AND WEAKENING. HERMINE IS EXPECTED TO DISSIPATE TONIGHT OVER NORTHERN MISSISSIPPI AND ALABAMA BORDER. THE REMNANTS OF HERMINE WILL CONTINUE TO AFFECT LOCAL REGION THROUGH THIS SUNDAY EVENING WITH SHOWERS AND THUNDERSTORMS. PERSISTING TROPICAL MOISTURES WITH WARM UNSTABLE AIRMASS WILL CAUSE SCATTERED THUNDERSTORMS MOSTLY NORTHEAST OF LINE FROM EAST FELICIANA PARISH SOUTHEAST TO ST TAMMANY PARISH INCLUDING SOUTHWEST AND COASTAL MISSISSIPPI REGIONS. FEW OF THESE THUNDERSTORMS POSSIBLY REACH SEVERE LIMITS DURING THIS SUNDAY AFTERNOON.
Special weather statement, Sep 20, 10:30 AM CDT, 1 hour 16 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-211630- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1030 AM CDT SUN SEP 20 1998 TROPICAL DEPRESSION HERMINE WILL CONTINUE TO MOVE NORTHEAST AND WEAKENING. HERMINE IS EXPECTED TO DISSIPATE TONIGHT OVER NORTHERN MISSISSIPPI AND ALABAMA BORDER. THE REMNANTS OF HERMINE WILL CONTINUE TO AFFECT LOCAL REGION THROUGH THIS SUNDAY EVENING WITH SHOWERS AND THUNDERSTORMS. PERSISTING TROPICAL MOISTURES WITH WARM UNSTABLE AIRMASS WILL CAUSE SCATTERED THUNDERSTORMS MOSTLY NORTHEAST OF LINE FROM EAST FELICIANA PARISH SOUTHEAST TO ST TAMMANY PARISH INCLUDING SOUTHWEST AND COASTAL MISSISSIPPI REGIONS. FEW OF THESE THUNDERSTORMS POSSIBLY REACH SEVERE LIMITS DURING THIS SUNDAY AFTERNOON.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 9:05 AM CDT | Tornado Warning | LIX | Pearl River | 45 min |
| Sep 20, 9:54 AM CDT | Tornado Warning | LIX | Hancock, Harrison | 46 min |
| Sep 20, 10:23 AM CDT | Severe Thunderstorm Warning | LIX | Walthall | 62 min |
| Sep 20, 10:30 AM CDT | Flash Flood Warning | LIX | Walthall | 2 hr |
Nearby
Tornado Warnings in Mississippi, 1998Every tornado warning in 1998Tornadoes in 1998
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.